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68 lines
2.0 KiB
ReStructuredText
:mod:`tabnanny` --- Detection of ambiguous indentation
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======================================================
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.. module:: tabnanny
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:synopsis: Tool for detecting white space related problems in Python
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source files in a directory tree.
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.. moduleauthor:: Tim Peters <tim_one@users.sourceforge.net>
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.. sectionauthor:: Peter Funk <pf@artcom-gmbh.de>
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.. rudimentary documentation based on module comments
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**Source code:** :source:`Lib/tabnanny.py`
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--------------
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For the time being this module is intended to be called as a script. However it
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is possible to import it into an IDE and use the function :func:`check`
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described below.
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.. note::
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The API provided by this module is likely to change in future releases; such
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changes may not be backward compatible.
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.. function:: check(file_or_dir)
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If *file_or_dir* is a directory and not a symbolic link, then recursively
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descend the directory tree named by *file_or_dir*, checking all :file:`.py`
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files along the way. If *file_or_dir* is an ordinary Python source file, it
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is checked for whitespace related problems. The diagnostic messages are
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written to standard output using the :func:`print` function.
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.. data:: verbose
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Flag indicating whether to print verbose messages. This is incremented by the
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``-v`` option if called as a script.
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.. data:: filename_only
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Flag indicating whether to print only the filenames of files containing
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whitespace related problems. This is set to true by the ``-q`` option if called
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as a script.
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.. exception:: NannyNag
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Raised by :func:`tokeneater` if detecting an ambiguous indent. Captured and
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handled in :func:`check`.
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.. function:: tokeneater(type, token, start, end, line)
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This function is used by :func:`check` as a callback parameter to the function
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:func:`tokenize.tokenize`.
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.. XXX document errprint, format_witnesses, Whitespace, check_equal, indents,
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reset_globals
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.. seealso::
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Module :mod:`tokenize`
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Lexical scanner for Python source code.
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